/Engine/Source/Runtime/Core/Public/Misc/PathViews.h
Returns the name of the mount point in a path Removes starting forward slash and Classes_ prefix if bInWithoutSlashes is true Example: "/Classes_A/Textures" returns "A" and sets bOutHadClassesPrefix=true if bInWithoutSlashes is true returns "/Classes_A" otherwise and sets bOutHadClassesPrefix=false
static FStringView GetMountPointNameFromPath ( const FStringView InPath, bool * bOutHadClassesPrefix, bool bInWithoutSlashes )